1. Renewing health and strength. 2. An agent that promotes a renewal of health or strength. [L. restauro, to restore]
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re·stor·ative ri-'stōr-ət-iv, -'stȯr- adj of, relating to, or providing restoration <\restorative treatment> <\restorative dentistry>
restorative n something (as a medicine) that serves to restore to consciousness, vigor, or health
Medical dictionary. 2011.